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Saena

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Clinical SaaS for therapists

About the project

Clinical management platform for psychologists and therapists built by me. It includes Stripe Connect, bidirectional Google Calendar sync, LiveKit video calls, patient portal, billing flows, multi-therapist organizations, and production monitoring with Sentry.

Technologies

Next.js 15React 19TypeScriptPostgreSQLDrizzle ORMStripe ConnectAuth.jsLiveKitGoogle CalendarSentryCloudflare R2TanStack QueryResendVitestPlaywrightDocker

Features

  • 179 commits · 560 files · ~106K lines
  • Complete clinical calendar: weekly, monthly, 5-day, drag-to-create, drag-to-move, resize
  • Stripe Connect: direct onboarding, session billing, QR, auto-charge, 3-layer confirmation
  • Real bidirectional Google Calendar sync with echo detection and queue recovery
  • Real-time video consultations with LiveKit: secure rooms, per-session tokens
  • Patient portal: online booking, history, payments, consents, documents
  • Multi-therapist organizations with custom branding, roles, rooms and internal referrals
  • In-session audio recording with encrypted Cloudflare R2 storage and speech-to-text transcription
  • Automatic invoice system, tax data, bulk issuance and patient invoice portal
  • 14 transactional email templates via Resend with dynamic organization branding
  • Monitoring with Sentry (server + client instrumentation) and production observability
  • 133 unit tests + 49 E2E tests (Vitest + Playwright) · CI/CD with GitHub Actions - Docker - Coolify

Technical challenges

  • Complete clinical SaaS architecture from scratch
  • Full Stripe Connect: webhooks, polling, instant 3-layer confirmation
  • Real bidirectional Google Calendar sync (echo detection, cascade reconciliation)
  • Migration from Supabase to pure PostgreSQL + Auth.js v5 + Drizzle ORM (16 schemas)
  • Decomposing 3,141-line calendar into 18 focused modules
  • Full internationalization in 3 languages (es/ca/en) with ICU plurals

Learnings

  • Extreme development speed without sacrificing quality (180+ tests)
  • Full-stack architecture with Server Actions + API Routes
  • Complete Stripe Connect integration for B2B SaaS
  • Bidirectional sync systems with Google APIs
  • Production infrastructure: multi-stage Docker, CI/CD, Sentry, Coolify

Personal project. Designed, developed and deployed solo.